--Shall Mary come and play computer games?

--No,__________ she has finished her homework.

A. when　　　　 B. if　　　　　　　 C. unless　 D. once

According to Bill Gates, the idea ________ we can play video games and receive E-mails without sitting at a keyboard will come true. However, it is unclear ________this kind of computer will be on sale and ________ it will cost.

A. which; that; what 　 B. 不填; whether; how much

C. that; when; what 　 D. that; that; how much

Doctors say that exercise is important for health, but it _______ be regular exercise.

A．can　　　　　　 B．will　　　　　 C．must　　　　　　 D．may

— What’s the matter with Peter?

— He was seen crying when he was coming out of the office．He ________ by the manager．

　 A．may be scolded　 B．should have been scolded

　 C．must be scolded　　　 D．must have been scolded

She was not the woman ________ she was before.

A. what　　　 　　　　　　　 B. who

C. that　　　 　　　　　　　　 D. where

---VIP member service? But what does VIP ____?

　 ---It is short for very important person, sir.

A. call for B. look for C. seek for D. stand for

In recent years many football clubs have been run as business to________ .

A. make an interest B. make a profit 　 C. make a benefit 　　　 D. make an advantage

He always tries to ____ of others in everything.

A. go ahead B. stand out C. take ahead D. get ahead

If _____ carefully, the experiment will be successful.?

A. do　 B. does　 C. done　 D. doing

What is it ________ makes you so excited about such small things?

A. which　　　 B. that　　　　 C. what　　　　　 D. it